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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Help! P0442 Evap System code



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      06-23-2016, 11:05 PM   #1
snaimpally
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Help! P0442 Evap System code

First, I tried replacing the gas cap (seriously, $40 to buy a gas cap from the dealership?) but it came back. My mechanic then did a smoke test and replaced the leak detection pump (which they found was leaking) and the purge valve (VSV). However, I am still getting the %$#$ code. Suggestions?
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Last edited by snaimpally; 06-23-2016 at 11:13 PM.
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      06-23-2016, 11:27 PM   #2
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